11534405501 has 4 divisors (see below), whose sum is σ = 11779818432. Its totient is φ = 11288992572.

The previous prime is 11534405489. The next prime is 11534405543. The reversal of 11534405501 is 10550443511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10550443511 = 1933 ⋅5458067.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11534405501 is a prime.

It is a super-2 number, since 2×11534405501² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11534405591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122706395 + ... + 122706488.

It is an arithmetic number, because the mean of its divisors is an integer number (2944954608).

Almost surely, 2^11534405501 is an apocalyptic number.

It is an amenable number.

11534405501 is a deficient number, since it is larger than the sum of its proper divisors (245412931).

11534405501 is an equidigital number, since it uses as much as digits as its factorization.

11534405501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245412930.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 11534405501 in words is "eleven billion, five hundred thirty-four million, four hundred five thousand, five hundred one".